Winding and unwinding apparatus, loading and unloading mechanism, and lithium battery processing apparatus

Abstract

A winding and unwinding apparatus (100), comprising a cantilever shaft (10) and a loading and unloading mechanism (20), wherein the loading and unloading mechanism (20) comprises a support member (21) and a driving assembly (22) capable of driving the support member (21) to move between a loading and unloading position (N2) and a transfer position (N3) in a first direction (X) parallel to the axis of the cantilever shaft (10). The support member (21) can unload a material reel (L) supported by the cantilever shaft (10) to the transfer position (N3), and load a material reel (L) received from the transfer position (N3) onto the cantilever shaft (10). The winding and unwinding apparatus (100) has a simple structure, which helps reduce loading and unloading costs. A loading and unloading mechanism and a lithium battery processing apparatus are further provided.

Description

Rewinding and unwinding equipment, loading and unloading mechanisms, and lithium battery processing equipment

[0001] Cross-references

[0002] This application refers to Chinese Patent Application No. 202323360330.5 filed on December 8, 2023, entitled “Rewinding and Unwinding Device and Pole Preparation System”, which is incorporated into this application in its entirety by reference. Technical Field

[0003] The present application relates to the technical field of winding and unwinding equipment, and in particular to a winding and unwinding equipment, a loading and unloading mechanism, and lithium battery processing equipment. Background Art

[0004] During lithium battery production, electrode sheets are rolled and die-cut using a reel-and-wind system. This reel is rewound using reel-and-wind equipment. This type of equipment typically uses a cantilevered shaft structure, where the reel is mounted on a cantilevered shaft. One side of the cantilevered shaft is driven to rotate, while the other side is suspended in the air. The reel is loaded and unloaded onto the cantilevered shaft at the suspended end.

[0005] Currently, single-axis AGVs (Automated Guided Vehicles) are mostly used to load and unload cantilevered rewinding equipment. However, single-axis AGVs are expensive, hindering cost control, and occupy a large operating space.

[0006] Application Contents

[0007] Based on this, it is necessary to adopt single-axis AGV loading and unloading for winding and unwinding equipment, which has the problems of high cost and large operating space. A winding and unwinding equipment, loading and unloading mechanism and lithium battery processing equipment are provided.

[0008] A winding and unwinding device, comprising:

[0009] A cantilever shaft for mounting the barrel; and

[0010] Loading and unloading mechanism, including:

[0011] a supporting member for supporting the barrel, the supporting member being movable between a loading and unloading position and a transfer position along a first direction parallel to the axis of the cantilever shaft, wherein in the first direction, the transfer position is arranged farther from the cantilever shaft than the loading and unloading position;

[0012] The supporting member can support the barrel on the cantilever shaft at the loading and unloading position and drive the barrel to move to the transfer position; and / or the supporting member can load the barrel received from the transfer position to the cantilever shaft.

[0013] In some embodiments, the supporting member is further capable of moving between an initial position and the loading and unloading position;

[0014] The supporting member located at the initial position is arranged farther away from the cantilever shaft than the supporting member located at the loading and unloading position.

[0015] In some embodiments, the supporting member is movable along the second direction and / or the third direction, and the first direction, the second direction and the third direction are not coplanar and intersect with each other;

[0016] Wherein, the supporting member can move along the second direction between the loading and unloading position and a transition position, and the transition position is located below the loading and unloading position;

[0017] The supporting member is movable along the third direction between the transition position and the initial position.

[0018] In some embodiments, the supporting member has a supporting groove for supporting the barrel, and when the supporting member is located at the loading and unloading position, the supporting groove is located below the cantilever shaft.

[0019] In some embodiments, the supporting member includes two arms spaced apart along the first direction; each of the arms is provided with the supporting groove.

[0020] In some embodiments, the loading and unloading mechanism also includes a driving assembly, which is used to drive the supporting member to move. Each arm body includes a supporting part and a supporting part. The supporting groove is arranged on the supporting part. One end of the supporting part is connected to the supporting part, and the other end is connected to the driving assembly.

[0021] In some embodiments, the support portion and the supporting portion form an arm body of a roughly L-shaped structure, and the side of the supporting member formed by the entire arm body facing the support portion is open.

[0022] In some embodiments, the supporting member further includes a supporting pad, and the supporting pad is disposed in the supporting groove.

[0023] In some embodiments, the loading and unloading mechanism further includes a pushing member, which is disposed on the supporting member and can push the barrel out of the cantilever shaft when moving along the first direction with the supporting member.

[0024] In some embodiments, the supporting member has a supporting groove for supporting the barrel; and the pushing member is arranged on two opposite sides of the supporting member in the first direction.

[0025] In some embodiments, along the first direction, the orthographic projection of the pushing member is at least partially disposed toward a side where the notch of the supporting groove is located and exceeds an orthographic projection contour of the supporting member.

[0026] In some embodiments, a notch is provided on the pushing member, and the notch and the supporting groove are recessed along the same recessed direction.

[0027] In some embodiments, the cantilever shaft includes a plurality of cantilever shafts, each of which is rotatably arranged around a rotation axis parallel to its axis, and can be switched between a loading and unloading station and a working station when rotating;

[0028] The loading and unloading mechanism is used to load and unload the barrel on the cantilever shaft located at the loading and unloading station; the cantilever shaft located at the working station is used to reel in and unreel the barrel installed on itself.

[0029] In some embodiments, among the multiple cantilever shafts, when one of the cantilever shafts is located at the loading and unloading station, another cantilever shaft is located at the working station.

[0030] In some embodiments, the winding and unwinding device further includes a transport vehicle, which is used to take and place the barrel onto the supporting member at the transfer position.

[0031] A loading and unloading mechanism, comprising:

[0032] A supporting member having a supporting groove for supporting the barrel;

[0033] The driving assembly is used to drive the supporting member to move between the loading and unloading position and the transfer position along a first direction, and the first direction is configured to be parallel to the axis of the barrel.

[0034] In some embodiments, the supporting member includes an arm body, the arm body includes a supporting portion and a supporting portion, the supporting portion is provided with a supporting groove, one end of the supporting portion is connected to the supporting portion, and the other end of the supporting portion is connected to the driving assembly.

[0035] In some embodiments, the driving assembly includes a transverse screw rod extending along the first direction, the transverse screw rod is connected to the support portion and is rotatably arranged to drive the support portion to move along the first direction.

[0036] In some embodiments, the supporting member includes two arms, which are spaced apart along the first direction; the supporting portions of all the arms are located on the same side of the supporting portion; and / or,

[0037] A support pad is provided in the supporting groove; and / or,

[0038] The loading and unloading mechanism also includes a pushing member, which is arranged on opposite sides of the supporting member in the first direction. Along the first direction, the positive projection of the pushing member is at least partially arranged toward the side where the notch of the supporting groove is located and exceeds the positive projection contour of the supporting member.

[0039] A lithium battery processing device comprises the unwinding and rewinding device described in any one of the above embodiments or the loading and unloading mechanism described in any one of the above embodiments.

[0040] The above-mentioned unwinding and winding equipment, loading and unloading mechanism and lithium battery processing equipment move laterally in the first direction through the supporting member. Since the first direction is parallel to the axis of the cantilever shaft, the supporting member can realize the loading and unloading of the barrel on the cantilever shaft during the lateral movement. In this way, the loading and unloading of the barrel can be realized simultaneously through the loading and unloading mechanism with a simple structure, which helps to reduce the loading and unloading costs.

[0041] The details of one or more embodiments of the present application are set forth in the following drawings and description. Other features, objects, and advantages of the present application will become apparent from the description, drawings, and claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0043] FIG1 is a schematic structural diagram of a reeling and unreeling device in a use state according to some embodiments of the present application.

[0044] FIG2 is a schematic diagram of another usage state of the reeling and unreeling device shown in FIG1 .

[0045] FIG3 is a schematic diagram of another usage state of the reeling and unreeling device shown in FIG1 .

[0046] FIG4 is a schematic diagram of another usage state of the reeling and unreeling device shown in FIG1 .

[0047] FIG5 is a schematic structural diagram of a loading and unloading mechanism in some embodiments of the present application.

[0048] The figure numbers in the specific implementation method are as follows: 100, winding and unwinding equipment; L, barrel; 10, cantilever shaft; W1, loading and unloading station; W2, working station; 20, loading and unloading mechanism; X, first direction; Y, second direction; Z, third direction; 21, supporting member; C, supporting groove; 21a, arm body; a1, supporting part; a2, supporting part; N1, initial position; N2, loading and unloading position; N3, transfer position; 22, driving assembly; 22a, transverse movement assembly; G, transverse movement screw; 23, pushing member; 23a, notch; 24, support pad; 30, turret; 40, transport vehicle; 41, transfer arm. DETAILED DESCRIPTION

[0049] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0050] In the description of the present application, it should be understood that, if any, terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", and "circumferential" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0051] Furthermore, if used, the terms "first" and "second," if present, are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. Throughout the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0052] In this application, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connected," and "fixed" should be interpreted broadly. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components, unless otherwise expressly limited. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0053] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it can mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it can mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it can mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0054] It should be noted that, if present, when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only embodiments.

[0055] This application addresses the issues of high loading and unloading costs and large occupied area of ​​rewinding and unwinding equipment, and proposes a rewinding and unwinding equipment.

[0056] 1 to 4 are schematic structural diagrams of the reeling and unreeling equipment in different usage states according to some embodiments of the present application.

[0057] According to some embodiments of the present application, please refer to Figures 1 to 4. The winding and unwinding device 100 provided in the embodiments of the present application includes a cantilever shaft 10 and a loading and unloading mechanism 20. The cantilever shaft 10 is used to mount a barrel L. The loading and unloading mechanism 20 includes a supporting member 21, which can move between a loading and unloading position N2 and a transfer position N3 along a first direction X parallel to the axis of the cantilever shaft 10. In the first direction X, the transfer position N3 is arranged farther away from the cantilever shaft 10 than the loading and unloading position N2. The supporting member 21 can support the barrel L on the cantilever shaft 10 at the loading and unloading position N2 and drive the barrel L to move and unload to the transfer position N3, and / or the supporting member 21 can load the barrel L received from the transfer position N3 onto the cantilever shaft 10.

[0058] Among them, the cantilever shaft 10 may refer to an axis structure that is connected to a driving structure at one end so as to rotate around its own axis under the drive of the driving structure, and the other end is suspended. A coil of material may be wound on the barrel L, and the coil of material may be, but is not limited to, a pole piece, a diaphragm, etc. For example, the barrel L has a barrel shaft, and the coil of material may be wound outside the barrel shaft. The barrel shaft may be a hollow shaft, and the cantilever shaft 10 may be inserted into the hollow shaft. The cantilever shaft 10 can drive the barrel L to unwind or rewind the coil of material during rotation. The cantilever shaft 10 can use an air-slip shaft type, an air-expansion shaft type, and an air-expansion chuck type to fix the barrel L. Regarding the specific structure of the cantilever shaft 10, those skilled in the art can make routine settings.

[0059] The supporting member 21 is used to support the material barrel L. It is understandable that the winding and unwinding device 100 also includes a driving assembly 22. The supporting member 21 can be fixedly arranged or detachably arranged on the driving assembly 22. The driving assembly 22 can drive the supporting member 21 to move in the first direction X. The first direction X is parallel to the axis of the cantilever shaft 10. Under normal use, the axis of the cantilever shaft 10 is located in the horizontal plane. Specifically, the driving assembly 22 includes a transverse movement assembly 22a. The supporting member 21 is arranged on the transverse movement assembly 22a and moves along the first direction X under the drive of the transverse movement assembly 22a. The transverse movement assembly 22a can include a transverse movement motor, a transverse movement screw G and a screw nut. The transverse movement screw extends along the first direction X, and the supporting member 21 is connected to the screw via the screw nut. When the transverse movement motor drives the transverse movement screw G to rotate, the screw nut can drive the supporting member 21 to move along the transverse movement screw G. Regarding the specific structure of the transverse movement assembly 22a, those skilled in the art can make conventional settings.

[0060] The supporting member 21 can move between the loading and unloading position N2 and the transfer position N3 when moving in the first direction X. In actual use, when it is necessary to remove the barrel L from the cantilever shaft 10, the driving assembly 22 drives the supporting member 21 to move to the loading and unloading position N2 (as shown in FIG2 ). The supporting member 21 at the loading and unloading position N2 can support the barrel L on the cantilever shaft 10. Then, the driving assembly 22 drives the supporting member 21 to move along the first direction X to the transfer position N3 (as shown in FIG3 ). During this process, the supporting member 21 can remove the supported barrel L along the cantilever shaft 10, so that the barrel L is completely supported on the supporting member 21. Finally, the barrel L can be removed from the supporting member 21 at the transfer position N3 by the transport vehicle 40 (as shown in FIG4 ), thereby realizing the unloading of the barrel L.

[0061] When it is necessary to load the barrel L onto the cantilever shaft 10, the driving component 22 drives the supporting member 21 to move to the transfer position N3, and the transport vehicle 40 can transfer the loaded barrel L to the supporting member 21 (as shown in Figures 3 and 4); then, the driving component 22 drives the supporting member 21 to move along the first direction X to the loading and unloading position N2 (as shown in Figure 2). During this process, the barrel L on the supporting member 21 can be inserted into the cantilever shaft 10. When the supporting member 21 moves into place, the barrel L is inserted into place to realize the loading of the barrel L.

[0062] It is understandable that when the unwinding and winding device 100 is used to unwind a coiled material, the barrel L loaded onto the cantilever shaft 10 is usually in a full coil state, and the barrel L unloaded from the cantilever shaft 10 is usually in an empty coil state. When the unwinding and winding device 100 is used to wind a coiled material, the barrel L loaded onto the cantilever shaft 10 is usually in an empty coil state, and the barrel L unloaded from the cantilever shaft 10 is usually in a full coil state.

[0063] The above-mentioned winding and unwinding device 100 moves laterally in the first direction X through the supporting member 21. Since the first direction X is parallel to the axis of the cantilever shaft 10, the supporting member 21 can realize the loading and unloading of the barrel L on the cantilever shaft 10 during the lateral movement. In this way, the winding and unwinding device 100 can simultaneously realize the loading and unloading of the barrel L through the loading and unloading mechanism 20 with a simple structure, which helps to reduce the loading and unloading costs of the winding and unwinding device 100.

[0064] In some embodiments, in combination with Figures 1 and 2, the supporting member 21 can also move between the initial position N1 and the loading and unloading position N2. The supporting member 21 at the initial position N1 is separated from the cantilever shaft 10 compared to the supporting member 21 at the loading and unloading position N2.

[0065] In actual use, the support member 21 in the loading and unloading position N2 may interfere with the movement of the cantilever shaft 10. In this case, when there is no need to load or unload the barrel L on the cantilever shaft 10, the drive assembly 22 can drive the support member 21 to move to the initial position N1 away from the cantilever shaft 10. The drive assembly 22 can drive the support member 21 to move linearly between the initial position N1 and the loading and unloading position N2.

[0066] Specifically, in some embodiments, the supporting member 21 is movable along the second direction Y and / or the third direction Z. The first direction X, the second direction Y, and the third direction Z are not coplanar and intersect with each other. The supporting member 21 is movable along the second direction Y between the loading and unloading position N2 and a transition position, the transition position being located below the loading and unloading position N2, and / or the supporting member 21 is movable along the third direction Z between the transition position and the initial position N1.

[0067] It is understandable that a transition position (not shown) between the initial position N1 and the loading and unloading position N2 is further provided on the movement path of the supporting member 21 .

[0068] Specifically, the driving assembly 22 may include a translation assembly (not shown) and a lifting assembly (not shown). The translation assembly is used to drive the supporting member 21 to move along the third direction Z to switch between the initial position N1 and the transition position. The lifting assembly is used to drive the supporting member 21 to move along the second direction Y to switch between the transition position and the loading and unloading position N2. Among them, the translation assembly may include a combination of a translation cylinder, a translation motor and a ball screw to achieve translation of the supporting member 21 along the third direction Z. The lifting assembly may include a lifting cylinder, a lifting electrode and a ball screw to achieve lifting and lowering of the supporting member 21 in the second direction Y. Regarding the specific structure of the driving assembly 22, those skilled in the art can make routine settings.

[0069] In an actual usage scenario, combined with Figures 1 to 4, the unloading process of the barrel L is roughly as follows: the driving component 22 drives the supporting member 21 to move from the initial position N1 to the transition position (not shown), and the supporting member 21 at the transition position is below the cantilever shaft 10; then, the driving component 22 drives the supporting member 21 to rise to the loading and unloading position N2, and the supporting member 21 supports the barrel L installed on the cantilever shaft 10; then, the driving component 22 drives the supporting member 21 to move to the transfer position N3, and the transport vehicle 40 takes away the barrel L on the supporting member 21. The loading process of the barrel L is roughly as follows: the driving component 22 drives the supporting member 21 to the transfer position N3, and the transport vehicle 40 transfers the loaded barrel L to the supporting member 21 at the transfer position N3; then, the driving component 22 drives the supporting member 21 to move to the loading and unloading position N2. When the supporting member 21 moves into place, the barrel L on it is smoothly inserted into the cantilever shaft 10; then, the driving component 22 drives the supporting member 21 to descend to the transition position, and then moves to the initial position N1.

[0070] At this time, the driving component 22 can drive the supporting member 21 to move to the transition position first, so that the supporting member 21 is completely below the barrel L on the cantilever shaft 10, and then raise the supporting member 21 to support the barrel L, which can reduce the chance of the supporting member 21 damaging the barrel L during the movement to the loading and unloading position N2.

[0071] It is understandable that in other embodiments, the supporting member 21 is not limited to moving along the second direction Y between the transition position and the initial position N1 . The supporting member 21 is not limited to moving along the third direction Z between the transition position and the loading and unloading position N2 .

[0072] In some embodiments, referring to FIG. 5 , the supporting member 21 has a supporting groove C for supporting the barrel L. When the supporting member 21 is located at the loading and unloading position N2 , the supporting groove C is located below the cantilever shaft 10 .

[0073] Typically, the support groove C extends along a first direction X and has a groove opening extending along a second direction Y. The support groove C extends along the first direction X, and its extension length can be large or small, and is not specifically limited. The extension direction of the support groove C refers to a direction perpendicular to its groove depth and groove width. When the support groove C supports the barrel L, the axial direction of the barrel L is consistent with the extension direction of the support groove C. The relationship between the size of the support groove C in its extension direction and its groove depth and groove width is not limited, as long as it can support the barrel L.

[0074] It is understood that the support member 21 has a supporting surface, and the supporting groove C can be a groove structure directly recessed into the supporting surface. Alternatively, the supporting groove C can be a groove structure defined by a limiting structure provided on the supporting surface and the limiting structure and the supporting surface. For example, the supporting groove C can be a U-shaped groove, a V-shaped groove, a semicircular groove, etc., directly recessed into the supporting surface. Typically, the groove wall shape of the supporting groove C is adapted to the outer contour of the barrel shaft. In actual use, the axial ends of the barrel shaft are usually not wound with coiled material, and these axial ends of the barrel shaft can be supported within the supporting groove C.

[0075] At this time, the setting of the supporting groove C is conducive to the barrel L being stably supported on the supporting member 21.

[0076] Specifically in some embodiments, referring to FIG. 5 , the supporting member 21 includes two arms 21 a spaced apart along the first direction X, and a supporting groove C is provided on each arm 21 a.

[0077] In actual use, the space between the two arms 21a accommodates the portion of the barrel L that is wound with material, without limiting the number of turns that can be made. The two unwound ends of the barrel L are supported within the support grooves C of the two arms 21a. This allows the support member 21 to accommodate the barrel L in a fully wound, empty, or other state.

[0078] Specifically, referring to FIG5 , the loading and unloading mechanism 20 includes a drive assembly 22 for driving the support member 21. Each arm 21a includes a support portion a1 and a support portion a2. A support groove C is provided on the support portion a2. One end of the support portion a1 is connected to the support portion a2, and the other end of the support portion a1 is connected to the drive assembly 22.

[0079] In one embodiment, the support portion a1 and the supporting portion a2 can form a generally L-shaped arm 21a, with the supporting member 21, formed by the entire arm 21a, open on the side facing the support portion a1. In actual use, the drive assembly 22 is positioned above the support portion a1, while the support portion a1 is positioned below the drive assembly 22. The support portion a1 and the drive assembly 22 can be connected integrally or separately.

[0080] In actual operation, the barrel L can enter the supporting member 21 from the open side of the supporting member 21, making it easier for the supporting member 21 to support the barrel L. In addition, the transport vehicle 40 can take the barrel L from the open side of the supporting member 21 in the third direction Y or place the barrel L on the supporting member 21. Compared to the single-axis AGV that requires operating space in the first direction X, the transport vehicle 40 can operate using the space of the supporting member 21 in the third direction Y, which can reduce the operating space required by the winding and unwinding device 100 when loading and unloading materials, thereby reducing the space allocated to the winding and unwinding device 100, which is conducive to improving site utilization.

[0081] In some embodiments, the support member 21 further includes a support pad 24 disposed within the support groove C. The support pad 24 may be, but is not limited to, a soft rubber pad, such as silicone or rubber. The shape of the support pad 24 may match the shape of the support groove C. The support pad 24 can reduce wear on the barrel shaft.

[0082] In some embodiments, the loading and unloading mechanism 20 further includes a pushing member 23 , which is disposed on the supporting member 21 and can push the barrel L out of the cantilever shaft 10 when the supporting member 21 moves along the first direction X.

[0083] The pusher 23 can be a push rod or a push block. It is understood that when the barrel L is mounted on the cantilever shaft 10 and the support member 21 is located at the loading and unloading position N2, the barrel L is primarily supported by the cantilever shaft 10. To ensure that the barrel L can be smoothly removed from the cantilever shaft 10 along with the support member 21, the pusher 23 disposed on the support member 21 pushes the barrel L along the axis of the cantilever shaft 10 as it moves with the support member 21.

[0084] Specifically, the pushing member 23 abuts against the end of the barrel shaft. When the pushing member 23 moves following the supporting member 21 , the pushing member 23 can act on the barrel shaft and push the barrel L out of the cantilever shaft 10 .

[0085] Specifically, in some embodiments, referring to FIG. 5 , the supporting member 21 has a supporting groove C for supporting the barrel L, and the pushing members 23 are arranged on opposite sides of the supporting member 21 in the first direction X.

[0086] In this embodiment, the supporting groove C of the supporting member 21 has the features described above. It is understandable that the pusher 23 is arranged outside the supporting groove C. One end of the pusher 23 is fixed to the supporting member 21, and the other end of the pusher 23 may protrude relative to the groove wall of the supporting groove C toward the central axis of the supporting groove C and / or the other end of the pusher 23 may protrude relative to the structure of the supporting member 21 located outside the supporting groove C toward the side where the notch of the supporting groove C is located, so that the orthographic projection of the pusher 23 is at least partially arranged toward the side where the notch of the supporting groove C is located, exceeding the orthographic projection outline of the supporting member 21, so as to be able to contact the axial end of the barrel shaft located in the supporting groove C.

[0087] In actual application, when the barrel shaft is supported in the supporting groove C, the protruding part of the pushing member 23 relative to the supporting member 21 can be against the axial end of the barrel shaft, and then when the supporting member 21 moves, the pushing member 23 can act on the axial end of the barrel shaft to realize the barrel shaft being disengaged from the cantilever shaft 10.

[0088] When the supporting member 21 includes the above-mentioned two arms 21a, a pushing member 23 can be arranged on both sides of the two arms 21a opposite to each other in the first direction X, and the positive projection of each pushing member 23 in the first direction X at least partially exceeds the positive projection of the arm 21a along the concave direction of the supporting groove C.

[0089] As shown in FIG5 , in some examples, the pusher 23 is provided with a notch 23a, which is recessed in the same direction as the support groove C. Specifically, the notch 23a is located on one side of the pusher 23 in the first direction X, and the support groove C is located on the same side of the support member 21 in the first direction X. In actual use, the notch 23a allows the cantilever shaft 10 to be positioned away from the cantilever shaft 10, allowing for smooth insertion of the barrel shaft.

[0090] In some embodiments, referring to FIG1 , a plurality of cantilever shafts 10 are provided. Each cantilever shaft 10 is rotatably disposed about a rotation axis parallel to its axis and can be switched between a loading / unloading station W1 and a working station W2 during rotation. The loading / unloading mechanism 20 is used to load and unload a barrel L onto the cantilever shaft 10 located at the loading / unloading station W1. The cantilever shaft 10 located at the working station W2 is used to reel in and unreel a barrel L mounted on the cantilever shaft 10.

[0091] The unwinding and rewinding device 100 may include a turret 30, on which the cantilever shaft 10 is mounted. The turret 30 can rotate about a rotation axis parallel to the axis of the cantilever shaft 10, thereby driving the cantilever shaft 10 to rotate about this rotation axis. During rotation, the cantilever shaft 10 can switch between a work station W2 and a loading / unloading station W1. Specifically, when the axis of the cantilever shaft 10 is arranged horizontally, the work station W2 and the loading / unloading station W1 can be arranged on the same horizontal plane.

[0092] In actual operation, when the barrel L needs to be loaded or unloaded on the cantilever shaft 10, the cantilever shaft 10 rotates to the loading and unloading station W1, and the loading and unloading mechanism 20 can remove the barrel L from the cantilever shaft 10 at the loading and unloading station W1 or load the barrel L onto the cantilever shaft 10 at the loading and unloading station W1. When the roll barrel L needs to be retracted or unreeled, the cantilever shaft 10 rotates to the working station W2.

[0093] A plurality of, for example, two, cantilever shafts 10 are provided. Among the multiple cantilever shafts 10, when one cantilever shaft 10 is located at the loading / unloading station W1 and the other cantilever shaft 10 is located at the working station W2, the unwinding and rewinding device 100 can be used to load / unload the barrel L while also rewinding and unwinding the other barrel L, thereby improving the working efficiency of the unwinding and rewinding device 100.

[0094] In some embodiments, referring to Figures 3 and 4 , the rewinding and unwinding apparatus 100 further includes a transport vehicle 40 for placing the barrel L on the support member 21 at the intermediate transfer position N3. During unloading, the support member 21 transports the barrel L from the cantilever shaft 10 to the intermediate transfer position N3. The transport vehicle 40 then removes the barrel L from the support member 21 at the intermediate transfer position N3, completing the unloading process. During loading, the transport vehicle 40 transfers the barrel L to the support member 21 at the intermediate transfer position N3, and the support member 21 then loads the barrel L onto the cantilever shaft 10.

[0095] Specifically, as shown in Figures 3 and 4 , the transport vehicle 40 includes a liftable transfer arm 41 for supporting the barrel L. The structure of the transfer arm 41 can be similar to the structural design of the support member 21. Since both the transfer arm 41 and the support member 21 are composed of a support portion a2 and a support portion a1, during loading and unloading, the open side of the transfer arm 41 is positioned opposite the open side of the support member 21 to facilitate insertion of the transfer arm 41 between the two arm bodies 21a of the support member 21.

[0096] In actual use, as shown in Figure 4, when unloading, the transfer arm 41 can be inserted into the two arms 21a of the support member 21 from bottom to top, and the barrel L can be lifted to separate the barrel L from the support member 21. Conversely, when loading, the transfer arm 41 can be inserted into the two arms 21a of the support member 21 from top to bottom, and the loaded barrel L can be placed on the support member 21. At this time, the operating space of the transfer arm 41 is located within the two arms 21a of the support member 21, and no additional space is occupied, which can make the winding and unwinding device 100 occupy less space. Of course, in other embodiments, the transport vehicle 40 can also remove or place the barrel L from the support member 21 by clamping or other means.

[0097] In addition, please refer to Figure 5. The embodiment of the present application also provides a loading and unloading mechanism 20, which includes a supporting member 21 and a driving assembly 22. The supporting member 21 has a supporting groove C for supporting the barrel L. The driving assembly 22 is used to drive the supporting member 21 to move along the first direction X between the loading and unloading position N2 and the transfer position N3. The first direction X is configured to be parallel to the axis of the barrel L.

[0098] For an introduction to the supporting member 21 , the supporting slot C and the driving assembly 22 , reference may be made to the above description.

[0099] Driven by the drive assembly 22, the supporting member 21 can move between the loading and unloading position N2 and the transfer position N3 to drive the barrel L supported in the supporting groove C to move. In actual application, the loading and unloading mechanism 20 is arranged near the cantilever shaft 10 of the winding and unwinding device 100, and the first direction X is arranged parallel to the axis of the cantilever shaft 10. The cantilever shaft 10 is used to mount the barrel L. When the drive assembly 22 drives the supporting member 21 to be located at the loading and unloading position N2, the barrel L on the cantilever shaft 10 can be supported in the supporting groove C. When the drive assembly 22 drives the supporting member 21 to move from the loading and unloading position N2 to the transfer position N3, it can drive the barrel L to disengage from the cantilever shaft 10 and unload to the transfer position N3, so that the transport vehicle 40 can remove the barrel L from the supporting member 21 at the transfer position N3.

[0100] When the supporting member 21 is located at the transfer position N3, it can receive and support the barrel L transferred by the external transport vehicle 40. When the driving assembly 22 drives the supporting member 21 to move from the transfer position N3 to the loading and unloading position N2, the barrel L supported on the supporting member can be inserted into the cantilever shaft 10 along the axial direction of the cantilever shaft 10, thereby realizing the loading of the barrel L onto the cantilever shaft 10.

[0101] In this way, the automatic loading / unloading of the barrel L can be achieved.

[0102] In some embodiments, the supporting member 21 includes an arm body 21a, the arm body 21a includes a supporting portion a1 and a supporting portion a2, a supporting groove C is formed on the supporting portion a2, one end of the supporting portion a1 is connected to the supporting portion a2, and the other end of the supporting portion a1 is connected to the driving assembly 22.

[0103] The number of the arm body 21a can be one or more. When there is only one arm body 21a, the supporting groove C on the arm body 21a alone supports the barrel L. When there are multiple arm bodies 21a, the supporting grooves C of all the arm bodies 21a support the barrel L together.

[0104] The support portion a1 and the supporting portion a2 can form an arm 21a with a generally L-shaped structure. The supporting member 21 formed by the entire arm 21a is open on the side facing the support portion a1. During actual operation, the barrel L can enter the supporting member 21 from the open side of the supporting member 21 and be supported in the supporting groove C, making it convenient for the supporting member 21 to support the barrel L. In addition, the transport vehicle 40 can remove the barrel L from the open side of the supporting member 21 or place the barrel L on the supporting member 21 in the third direction Y. Compared to the single-axis AGV that requires operating space in the first direction X, the transport vehicle 40 can operate using the space of the supporting member 21 in the third direction Y. This can reduce the operating space required by the winding and unwinding device 100 when loading and unloading materials, thereby reducing the space allocated to the winding and unwinding device 100, which is conducive to improving site utilization.

[0105] In some embodiments, referring to FIG5 , the supporting member 21 includes two arms 21 a spaced apart along a first direction X. The support portions a1 of all arms 21 a are located on the same side of the support portion a2 in the third direction Y. In actual use, the space between the two arms 21 a can accommodate the portion of the barrel L wound with the coil, without limiting the number of turns of the coil. The two axial ends of the barrel L that are not wound with the coil are respectively supported in the supporting grooves C of the two arms 21 a. In this way, the supporting member 21 can adapt to supporting the barrel L in a full, empty, or other state.

[0106] It is understandable that when there are two arms 21a, the ends of the two supporting grooves C on the two arms 21a that are opposite to each other are set to pass through the arm 21a, while the ends opposite to each other can be set to pass through the arm 21a.

[0107] In some embodiments, referring to FIG5 , a support pad 24 is disposed within the support groove C. The support pad 24 can be, but is not limited to, a soft rubber pad, such as silicone or rubber. The shape of the support pad 24 can match the shape of the support groove C. The support pad 24 can reduce wear on the barrel shaft.

[0108] In some embodiments, the drive assembly 22 includes a transverse screw G extending along the first direction X. The transverse screw G is connected to the support portion a1 and is rotatably arranged to drive the support portion a1 to move along the first direction X. It is understood that the support portion a1 and the transverse screw G can be connected by a screw nut. When the transverse screw G rotates, the support portion a1 follows the screw nut and moves along the transverse screw G. In this case, the drive assembly 22 has a simple and reliable structure.

[0109] In some embodiments, referring to FIG. 5 , the loading and unloading mechanism 20 further includes a pusher 23 , which is disposed on opposite sides of the supporting member 21 in the first direction X. Along the first direction X, the orthographic projection of the pusher 23 is at least partially positioned toward the side where the notch of the supporting groove C is located, extending beyond the orthographic projection outline of the supporting member 21 . As described above, when the barrel shaft is supported within the supporting groove C, the portion of the pusher 23 protruding relative to the supporting member 21 can abut against the end of the barrel shaft. Consequently, when the supporting member 21 moves, the pusher 23 can act on the end of the barrel shaft to enable the barrel shaft to be disengaged from the cantilever shaft 10 .

[0110] In some embodiments, referring to FIG. 5 , a notch 23a is provided on the pusher 23. The notch 23a and the supporting groove C are recessed in the same direction. Specifically, the notch 23a is located on one side of the pusher 23 in the first direction X, and the supporting groove C is located on the same side of the supporting member 21 in the first direction X. In practice, the notch 23a allows the cantilever shaft 10 to be positioned away from the cantilever shaft 10, allowing for smooth insertion of the barrel shaft.

[0111] It is understandable that the loading and unloading mechanism 20 also includes the features described in the above embodiments, which will not be repeated here.

[0112] In addition, an embodiment of the present application further provides a lithium battery processing device, including the winding and unwinding device in any of the above embodiments or including the loading and unloading mechanism in any of the above embodiments.

[0113] The loading and unloading mechanism of the lithium battery processing equipment can be used in conjunction with the cantilever shaft, and is used in processes such as pole piece rolling, die cutting, and slitting for loading and unloading and winding and unwinding pole piece coils.

[0114] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0115] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A winding and unwinding device (100), comprising: A cantilever shaft (10) for mounting a barrel (L); and The loading and unloading mechanism (20) comprises: A supporting member (21) for supporting a material barrel (L), wherein the supporting member (21) is movable between a loading and unloading position (N2) and a transfer position (N3) along a first direction (X) parallel to the axis of the cantilever shaft (10), wherein in the first direction (X), the transfer position (N3) is arranged farther from the cantilever shaft (10) than the loading and unloading position (N2); Wherein, the supporting member (21) can support the barrel (L) on the cantilever shaft (10) at the loading and unloading position (N2) and drive the barrel (L) to move and unload to the transfer position (N3); and / or, the supporting member (21) can load the barrel (L) received from the transfer position (N3) onto the cantilever shaft (10).

2. The unwinding and rewinding device (100) according to claim 1, wherein: The supporting member (21) is also capable of moving between an initial position (N1) and a loading and unloading position (N2); The initial position (N1) is arranged farther away from the cantilever shaft (10) than the loading and unloading position (N2).

3. The unwinding and rewinding device (100) according to claim 2, wherein: The supporting member (21) is also capable of moving along a second direction (Y) and / or a third direction (Z), wherein the first direction (X), the second direction (Y) and the third direction (Z) are not coplanar and intersect each other; Wherein, the supporting member (21) is movable along the second direction (Y) between the loading and unloading position (N2) and a transition position, and the transition position is located below the loading and unloading position (N2); and / or The supporting member (21) is movable along the third direction (Z) between the transition position and the initial position (N1).

4. The unwinding and rewinding device (100) according to any one of claims 1 to 3, wherein: The supporting member (21) has a supporting groove (C) for supporting the barrel (L); when the supporting member (21) is located at the loading and unloading position (N2), the supporting groove (C) is located below the cantilever shaft (10).

5. The unwinding and rewinding device (100) according to claim 4, wherein: The supporting member (21) comprises two arms (21a) arranged at intervals along the first direction (X); each arm (21a) is provided with the supporting groove (C).

6. The unwinding and rewinding device (100) according to claim 5, wherein: The loading and unloading mechanism (20) further comprises a driving assembly (22), wherein the driving assembly (22) is used to drive the supporting member (21) to move; Each arm body (21a) comprises a supporting portion (a1) and a bearing portion (a2), the bearing groove (C) is arranged on the supporting portion (a2), one end of the supporting portion (a1) is connected to the supporting portion (a2), and the other end of the supporting portion (a1) is connected to the driving assembly (22).

7. The unwinding and rewinding device (100) according to claim 6, wherein: The support portion (a1) and the supporting portion (a2) form an arm body (21a) of a roughly L-shaped structure, and the supporting member (21) formed by the entire arm body (21a) is open on one side facing the support portion (a1).

8. The unwinding and rewinding device (100) according to claim 4, wherein: The supporting member (21) further comprises a supporting pad (24), and the supporting pad (24) is arranged in the supporting groove (C).

9. The unwinding and rewinding device (100) according to any one of claims 1 to 8, wherein: The loading and unloading mechanism (20) further comprises a pushing member (23), wherein the pushing member (23) is arranged on the supporting member (21) and is capable of pushing the barrel (L) out of the cantilever shaft (10) when moving along the first direction (X) with the supporting member (21).

10. The unwinding and rewinding device (100) according to claim 9, wherein: The supporting member (21) has a supporting groove (C) for supporting the barrel (L), and the pushing member (23) is arranged on two opposite sides of the supporting member (21) in the first direction (X).

11. The unwinding and rewinding device (100) according to claim 10, wherein: Along the first direction (X), the orthographic projection of the pushing member (23) is at least partially disposed beyond the orthographic projection contour of the supporting member (21) toward the side where the notch of the supporting groove (C) is located.

12. The unwinding and rewinding device (100) according to claim 10 or 11, wherein: The pushing member (23) is provided with a notch (23a), and the notch (23a) and the supporting groove (C) are recessed along the same recessed direction.

13. The unwinding and rewinding device (100) according to any one of claims 1 to 12, wherein: The cantilever shaft (10) comprises a plurality of cantilever shafts, each of which is rotatably arranged around a rotation axis parallel to its axis, and can be switched between a loading and unloading station (W1) and a working station (W2) when rotating; The loading and unloading mechanism (20) is used to load and unload the barrel (L) on the cantilever shaft (10) located at the loading and unloading station (W1); the cantilever shaft (10) located at the working station (W2) is used to reel in and unreel the barrel (L) installed on itself.

14. The unwinding and rewinding device (100) according to claim 13, wherein: Among the multiple cantilever shafts (10), when one of the cantilever shafts (10) is located at the loading and unloading station (W1), another cantilever shaft (10) is located at the working station (W2).

15. The unwinding and rewinding device (100) according to any one of claims 1 to 14, wherein: The winding and unwinding device (100) further comprises a transport vehicle (40), wherein the transport vehicle (40) is used to take and place the barrel (L) on the supporting member (21) at the transfer position (N3).

16. A loading and unloading mechanism (20), the loading and unloading mechanism (20) comprising: A supporting member (21) having a supporting groove (C) for supporting the barrel (L); A driving assembly (22) is used to drive the supporting member (21) to move along a first direction (X) between a loading and unloading position (N2) and a transfer position (N3), wherein the first direction (X) is configured to be parallel to the axis of the barrel (L).

17. The loading and unloading mechanism (20) according to claim 16, wherein: The supporting member (21) comprises an arm body (21a), the arm body (21a) comprises a supporting portion (a1) and a supporting portion (a2), a supporting groove (C) is formed on the supporting portion (a2), one end of the supporting portion (a1) is connected to the supporting portion (a2), and the other end of the supporting portion (a1) is connected to the driving assembly (22).

18. The loading and unloading mechanism (20) according to claim 16, wherein: The driving assembly (22) comprises a transverse screw rod (G) extending along the first direction (X), wherein the transverse screw rod (G) is connected to the support portion (a1) and is rotatably arranged to drive the support portion (a1) to move along the first direction (X).

19. The loading and unloading mechanism (20) according to claim 17, wherein: The supporting member (21) comprises two arms (21a), and the two arms (21a) are arranged at intervals along the first direction (X); and / or, A supporting pad (24) is arranged in the supporting groove (C); and / or, The loading and unloading mechanism (20) further comprises a pushing member (23), wherein the pushing member (23) is arranged on opposite sides of the supporting member (21) in the first direction (X), and along the first direction (X), the orthographic projection of the pushing member (23) is at least partially arranged toward the side where the notch of the supporting groove (C) is located, and exceeds the orthographic projection contour of the supporting member (21).

20. A lithium battery processing device, comprising the unwinding and rewinding device (100) according to any one of claims 1 to 15 or comprising the loading and unloading mechanism (20) according to any one of claims 16 to 19.

Images